A quasi-optimal test norm for a DPG discretization of the convection-diffusion equation.
Stephen MetcalfeSiva NadarajahPublished in: Comput. Math. Appl. (2021)
Keyphrases
- diffusion equation
- anisotropic diffusion
- scale space
- diffusion process
- image enhancement
- noise removal
- partial differential equations
- scale spaces
- boundary conditions
- filtering method
- gaussian kernel
- diffusion processes
- diffusion coefficient
- fidelity term
- multiscale
- nonlinear diffusion
- pattern recognition
- preprocessing